Home / 83,557.16-115,307.88-45,831.32

Finding the Fourth Proportional to 83,557.16, 115,307.88 and 45,831.32

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Solution

The fourth proportional to 83,557.16, 115,307.88 and 45,831.32 is: 63,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,557.16 : 115,307.88 = 45,831.32 : x
  2. Step 2: Convert to fraction form
    83,557.16/115,307.88 = 45,831.32/x
  3. Step 3: Cross multiply
    83,557.16x = 115,307.88 × 45,831.32
  4. Step 4: Simplify right side
    83,557.16x = 5,284,712,346.80
  5. Step 5: Solve for x
    x = 5,284,712,346.80/83,557.16
  6. Step 6: Final answer
    x = 63,246.67

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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.