Home / 56,530.17-84,807.55-19,088.65

Finding the Fourth Proportional to 56,530.17, 84,807.55 and 19,088.65

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Solution

The fourth proportional to 56,530.17, 84,807.55 and 19,088.65 is: 28,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,530.17 : 84,807.55 = 19,088.65 : x
  2. Step 2: Convert to fraction form
    56,530.17/84,807.55 = 19,088.65/x
  3. Step 3: Cross multiply
    56,530.17x = 84,807.55 × 19,088.65
  4. Step 4: Simplify right side
    56,530.17x = 1,618,861,639.31
  5. Step 5: Solve for x
    x = 1,618,861,639.31/56,530.17
  6. Step 6: Final answer
    x = 28,637.13

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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.