Home / 56,405.55-77,831.24-34,916.91

Finding the Fourth Proportional to 56,405.55, 77,831.24 and 34,916.91

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Solution

The fourth proportional to 56,405.55, 77,831.24 and 34,916.91 is: 48,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.55 : 77,831.24 = 34,916.91 : x
  2. Step 2: Convert to fraction form
    56,405.55/77,831.24 = 34,916.91/x
  3. Step 3: Cross multiply
    56,405.55x = 77,831.24 × 34,916.91
  4. Step 4: Simplify right side
    56,405.55x = 2,717,626,013.11
  5. Step 5: Solve for x
    x = 2,717,626,013.11/56,405.55
  6. Step 6: Final answer
    x = 48,180.12

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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.