Home / 40,088.16-60,134.40-13,423.32

Finding the Fourth Proportional to 40,088.16, 60,134.40 and 13,423.32

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Solution

The fourth proportional to 40,088.16, 60,134.40 and 13,423.32 is: 20,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,088.16 : 60,134.40 = 13,423.32 : x
  2. Step 2: Convert to fraction form
    40,088.16/60,134.40 = 13,423.32/x
  3. Step 3: Cross multiply
    40,088.16x = 60,134.40 × 13,423.32
  4. Step 4: Simplify right side
    40,088.16x = 807,203,294.21
  5. Step 5: Solve for x
    x = 807,203,294.21/40,088.16
  6. Step 6: Final answer
    x = 20,135.70

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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.