Home / 92,774.54-128,035.20-52,488.30

Finding the Fourth Proportional to 92,774.54, 128,035.20 and 52,488.30

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Solution

The fourth proportional to 92,774.54, 128,035.20 and 52,488.30 is: 72,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,774.54 : 128,035.20 = 52,488.30 : x
  2. Step 2: Convert to fraction form
    92,774.54/128,035.20 = 52,488.30/x
  3. Step 3: Cross multiply
    92,774.54x = 128,035.20 × 52,488.30
  4. Step 4: Simplify right side
    92,774.54x = 6,720,349,988.16
  5. Step 5: Solve for x
    x = 6,720,349,988.16/92,774.54
  6. Step 6: Final answer
    x = 72,437.44

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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.