Home / 91,062.63-136,561.14-38,476.22

Finding the Fourth Proportional to 91,062.63, 136,561.14 and 38,476.22

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Solution

The fourth proportional to 91,062.63, 136,561.14 and 38,476.22 is: 57,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,062.63 : 136,561.14 = 38,476.22 : x
  2. Step 2: Convert to fraction form
    91,062.63/136,561.14 = 38,476.22/x
  3. Step 3: Cross multiply
    91,062.63x = 136,561.14 × 38,476.22
  4. Step 4: Simplify right side
    91,062.63x = 5,254,355,783.29
  5. Step 5: Solve for x
    x = 5,254,355,783.29/91,062.63
  6. Step 6: Final answer
    x = 57,700.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.