Home / 63,688.60-87,658.26-56,085.13

Finding the Fourth Proportional to 63,688.60, 87,658.26 and 56,085.13

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Solution

The fourth proportional to 63,688.60, 87,658.26 and 56,085.13 is: 77,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,688.60 : 87,658.26 = 56,085.13 : x
  2. Step 2: Convert to fraction form
    63,688.60/87,658.26 = 56,085.13/x
  3. Step 3: Cross multiply
    63,688.60x = 87,658.26 × 56,085.13
  4. Step 4: Simplify right side
    63,688.60x = 4,916,324,907.67
  5. Step 5: Solve for x
    x = 4,916,324,907.67/63,688.60
  6. Step 6: Final answer
    x = 77,193.17

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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.