Home / 96,985.98-133,820.60-56,691.95

Finding the Fourth Proportional to 96,985.98, 133,820.60 and 56,691.95

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Solution

The fourth proportional to 96,985.98, 133,820.60 and 56,691.95 is: 78,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,985.98 : 133,820.60 = 56,691.95 : x
  2. Step 2: Convert to fraction form
    96,985.98/133,820.60 = 56,691.95/x
  3. Step 3: Cross multiply
    96,985.98x = 133,820.60 × 56,691.95
  4. Step 4: Simplify right side
    96,985.98x = 7,586,549,811.61
  5. Step 5: Solve for x
    x = 7,586,549,811.61/96,985.98
  6. Step 6: Final answer
    x = 78,223.16

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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.