Home / 70,129.47-96,779.02-38,298.37

Finding the Fourth Proportional to 70,129.47, 96,779.02 and 38,298.37

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Solution

The fourth proportional to 70,129.47, 96,779.02 and 38,298.37 is: 52,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,129.47 : 96,779.02 = 38,298.37 : x
  2. Step 2: Convert to fraction form
    70,129.47/96,779.02 = 38,298.37/x
  3. Step 3: Cross multiply
    70,129.47x = 96,779.02 × 38,298.37
  4. Step 4: Simplify right side
    70,129.47x = 3,706,478,617.87
  5. Step 5: Solve for x
    x = 3,706,478,617.87/70,129.47
  6. Step 6: Final answer
    x = 52,851.94

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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.