Home / 101,731.08-152,568.90-42,557.16

Finding the Fourth Proportional to 101,731.08, 152,568.90 and 42,557.16

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Solution

The fourth proportional to 101,731.08, 152,568.90 and 42,557.16 is: 63,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,731.08 : 152,568.90 = 42,557.16 : x
  2. Step 2: Convert to fraction form
    101,731.08/152,568.90 = 42,557.16/x
  3. Step 3: Cross multiply
    101,731.08x = 152,568.90 × 42,557.16
  4. Step 4: Simplify right side
    101,731.08x = 6,492,899,088.32
  5. Step 5: Solve for x
    x = 6,492,899,088.32/101,731.08
  6. Step 6: Final answer
    x = 63,824.14

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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.