Home / 55,646.16-83,288.56-40,851.76

Finding the Fourth Proportional to 55,646.16, 83,288.56 and 40,851.76

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Solution

The fourth proportional to 55,646.16, 83,288.56 and 40,851.76 is: 61,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,646.16 : 83,288.56 = 40,851.76 : x
  2. Step 2: Convert to fraction form
    55,646.16/83,288.56 = 40,851.76/x
  3. Step 3: Cross multiply
    55,646.16x = 83,288.56 × 40,851.76
  4. Step 4: Simplify right side
    55,646.16x = 3,402,484,263.87
  5. Step 5: Solve for x
    x = 3,402,484,263.87/55,646.16
  6. Step 6: Final answer
    x = 61,145.00

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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.