Home / 56,248.22-77,686.35-38,312.12

Finding the Fourth Proportional to 56,248.22, 77,686.35 and 38,312.12

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Solution

The fourth proportional to 56,248.22, 77,686.35 and 38,312.12 is: 52,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248.22 : 77,686.35 = 38,312.12 : x
  2. Step 2: Convert to fraction form
    56,248.22/77,686.35 = 38,312.12/x
  3. Step 3: Cross multiply
    56,248.22x = 77,686.35 × 38,312.12
  4. Step 4: Simplify right side
    56,248.22x = 2,976,328,763.56
  5. Step 5: Solve for x
    x = 2,976,328,763.56/56,248.22
  6. Step 6: Final answer
    x = 52,914.19

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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.