Home / 42,053.05-63,088.62-12,472.93

Finding the Fourth Proportional to 42,053.05, 63,088.62 and 12,472.93

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Solution

The fourth proportional to 42,053.05, 63,088.62 and 12,472.93 is: 18,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053.05 : 63,088.62 = 12,472.93 : x
  2. Step 2: Convert to fraction form
    42,053.05/63,088.62 = 12,472.93/x
  3. Step 3: Cross multiply
    42,053.05x = 63,088.62 × 12,472.93
  4. Step 4: Simplify right side
    42,053.05x = 786,899,941.06
  5. Step 5: Solve for x
    x = 786,899,941.06/42,053.05
  6. Step 6: Final answer
    x = 18,712.08

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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.