Home / 56,160.15-77,438.04-38,265.63

Finding the Fourth Proportional to 56,160.15, 77,438.04 and 38,265.63

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Solution

The fourth proportional to 56,160.15, 77,438.04 and 38,265.63 is: 52,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.15 : 77,438.04 = 38,265.63 : x
  2. Step 2: Convert to fraction form
    56,160.15/77,438.04 = 38,265.63/x
  3. Step 3: Cross multiply
    56,160.15x = 77,438.04 × 38,265.63
  4. Step 4: Simplify right side
    56,160.15x = 2,963,215,386.57
  5. Step 5: Solve for x
    x = 2,963,215,386.57/56,160.15
  6. Step 6: Final answer
    x = 52,763.67

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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.