Home / 57,875.48-86,705.75-29,812.56

Finding the Fourth Proportional to 57,875.48, 86,705.75 and 29,812.56

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Solution

The fourth proportional to 57,875.48, 86,705.75 and 29,812.56 is: 44,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,875.48 : 86,705.75 = 29,812.56 : x
  2. Step 2: Convert to fraction form
    57,875.48/86,705.75 = 29,812.56/x
  3. Step 3: Cross multiply
    57,875.48x = 86,705.75 × 29,812.56
  4. Step 4: Simplify right side
    57,875.48x = 2,584,920,225.16
  5. Step 5: Solve for x
    x = 2,584,920,225.16/57,875.48
  6. Step 6: Final answer
    x = 44,663.48

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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.