Home / 92,831.14-128,113.29-52,544.74

Finding the Fourth Proportional to 92,831.14, 128,113.29 and 52,544.74

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Solution

The fourth proportional to 92,831.14, 128,113.29 and 52,544.74 is: 72,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,831.14 : 128,113.29 = 52,544.74 : x
  2. Step 2: Convert to fraction form
    92,831.14/128,113.29 = 52,544.74/x
  3. Step 3: Cross multiply
    92,831.14x = 128,113.29 × 52,544.74
  4. Step 4: Simplify right side
    92,831.14x = 6,731,679,513.59
  5. Step 5: Solve for x
    x = 6,731,679,513.59/92,831.14
  6. Step 6: Final answer
    x = 72,515.32

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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.