Home / 107,111.66-147,803.75-59,364.05

Finding the Fourth Proportional to 107,111.66, 147,803.75 and 59,364.05

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Solution

The fourth proportional to 107,111.66, 147,803.75 and 59,364.05 is: 81,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,111.66 : 147,803.75 = 59,364.05 : x
  2. Step 2: Convert to fraction form
    107,111.66/147,803.75 = 59,364.05/x
  3. Step 3: Cross multiply
    107,111.66x = 147,803.75 × 59,364.05
  4. Step 4: Simplify right side
    107,111.66x = 8,774,229,205.19
  5. Step 5: Solve for x
    x = 8,774,229,205.19/107,111.66
  6. Step 6: Final answer
    x = 81,916.66

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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.