Home / 104,412.76-144,089.70-56,666.10

Finding the Fourth Proportional to 104,412.76, 144,089.70 and 56,666.10

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Solution

The fourth proportional to 104,412.76, 144,089.70 and 56,666.10 is: 78,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,412.76 : 144,089.70 = 56,666.10 : x
  2. Step 2: Convert to fraction form
    104,412.76/144,089.70 = 56,666.10/x
  3. Step 3: Cross multiply
    104,412.76x = 144,089.70 × 56,666.10
  4. Step 4: Simplify right side
    104,412.76x = 8,165,001,349.17
  5. Step 5: Solve for x
    x = 8,165,001,349.17/104,412.76
  6. Step 6: Final answer
    x = 78,199.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.