Home / 63,931.66-88,263.49-56,838.45

Finding the Fourth Proportional to 63,931.66, 88,263.49 and 56,838.45

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Solution

The fourth proportional to 63,931.66, 88,263.49 and 56,838.45 is: 78,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,931.66 : 88,263.49 = 56,838.45 : x
  2. Step 2: Convert to fraction form
    63,931.66/88,263.49 = 56,838.45/x
  3. Step 3: Cross multiply
    63,931.66x = 88,263.49 × 56,838.45
  4. Step 4: Simplify right side
    63,931.66x = 5,016,759,963.19
  5. Step 5: Solve for x
    x = 5,016,759,963.19/63,931.66
  6. Step 6: Final answer
    x = 78,470.67

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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.