Home / 72,775.51-100,397.02-52,600.44

Finding the Fourth Proportional to 72,775.51, 100,397.02 and 52,600.44

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Solution

The fourth proportional to 72,775.51, 100,397.02 and 52,600.44 is: 72,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,775.51 : 100,397.02 = 52,600.44 : x
  2. Step 2: Convert to fraction form
    72,775.51/100,397.02 = 52,600.44/x
  3. Step 3: Cross multiply
    72,775.51x = 100,397.02 × 52,600.44
  4. Step 4: Simplify right side
    72,775.51x = 5,280,927,426.69
  5. Step 5: Solve for x
    x = 5,280,927,426.69/72,775.51
  6. Step 6: Final answer
    x = 72,564.62

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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.