Home / 97,066.13-145,599.21-31,402.13

Finding the Fourth Proportional to 97,066.13, 145,599.21 and 31,402.13

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Solution

The fourth proportional to 97,066.13, 145,599.21 and 31,402.13 is: 47,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,066.13 : 145,599.21 = 31,402.13 : x
  2. Step 2: Convert to fraction form
    97,066.13/145,599.21 = 31,402.13/x
  3. Step 3: Cross multiply
    97,066.13x = 145,599.21 × 31,402.13
  4. Step 4: Simplify right side
    97,066.13x = 4,572,124,592.32
  5. Step 5: Solve for x
    x = 4,572,124,592.32/97,066.13
  6. Step 6: Final answer
    x = 47,103.19

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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.