Home / 90,053.07-124,330.95-57,801.50

Finding the Fourth Proportional to 90,053.07, 124,330.95 and 57,801.50

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Solution

The fourth proportional to 90,053.07, 124,330.95 and 57,801.50 is: 79,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,053.07 : 124,330.95 = 57,801.50 : x
  2. Step 2: Convert to fraction form
    90,053.07/124,330.95 = 57,801.50/x
  3. Step 3: Cross multiply
    90,053.07x = 124,330.95 × 57,801.50
  4. Step 4: Simplify right side
    90,053.07x = 7,186,515,251.01
  5. Step 5: Solve for x
    x = 7,186,515,251.01/90,053.07
  6. Step 6: Final answer
    x = 79,803.12

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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.