Home / 113,810.81-157,050.51-66,056.45

Finding the Fourth Proportional to 113,810.81, 157,050.51 and 66,056.45

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Solution

The fourth proportional to 113,810.81, 157,050.51 and 66,056.45 is: 91,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,810.81 : 157,050.51 = 66,056.45 : x
  2. Step 2: Convert to fraction form
    113,810.81/157,050.51 = 66,056.45/x
  3. Step 3: Cross multiply
    113,810.81x = 157,050.51 × 66,056.45
  4. Step 4: Simplify right side
    113,810.81x = 10,374,199,161.29
  5. Step 5: Solve for x
    x = 10,374,199,161.29/113,810.81
  6. Step 6: Final answer
    x = 91,153.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.