Home / 94,492.16-130,278.08-77,433.60

Finding the Fourth Proportional to 94,492.16, 130,278.08 and 77,433.60

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Solution

The fourth proportional to 94,492.16, 130,278.08 and 77,433.60 is: 106,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,492.16 : 130,278.08 = 77,433.60 : x
  2. Step 2: Convert to fraction form
    94,492.16/130,278.08 = 77,433.60/x
  3. Step 3: Cross multiply
    94,492.16x = 130,278.08 × 77,433.60
  4. Step 4: Simplify right side
    94,492.16x = 10,087,900,735.49
  5. Step 5: Solve for x
    x = 10,087,900,735.49/94,492.16
  6. Step 6: Final answer
    x = 106,759.13

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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.