Home / 92,088.18-138,140.10-25,528.32

Finding the Fourth Proportional to 92,088.18, 138,140.10 and 25,528.32

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Solution

The fourth proportional to 92,088.18, 138,140.10 and 25,528.32 is: 38,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,088.18 : 138,140.10 = 25,528.32 : x
  2. Step 2: Convert to fraction form
    92,088.18/138,140.10 = 25,528.32/x
  3. Step 3: Cross multiply
    92,088.18x = 138,140.10 × 25,528.32
  4. Step 4: Simplify right side
    92,088.18x = 3,526,484,677.63
  5. Step 5: Solve for x
    x = 3,526,484,677.63/92,088.18
  6. Step 6: Final answer
    x = 38,294.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.