Home / 145,012.76-217,529.51-60,688.02

Finding the Fourth Proportional to 145,012.76, 217,529.51 and 60,688.02

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Solution

The fourth proportional to 145,012.76, 217,529.51 and 60,688.02 is: 91,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,012.76 : 217,529.51 = 60,688.02 : x
  2. Step 2: Convert to fraction form
    145,012.76/217,529.51 = 60,688.02/x
  3. Step 3: Cross multiply
    145,012.76x = 217,529.51 × 60,688.02
  4. Step 4: Simplify right side
    145,012.76x = 13,201,435,253.47
  5. Step 5: Solve for x
    x = 13,201,435,253.47/145,012.76
  6. Step 6: Final answer
    x = 91,036.37

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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.