Home / 89,047.07-122,885.16-48,211.64

Finding the Fourth Proportional to 89,047.07, 122,885.16 and 48,211.64

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Solution

The fourth proportional to 89,047.07, 122,885.16 and 48,211.64 is: 66,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,047.07 : 122,885.16 = 48,211.64 : x
  2. Step 2: Convert to fraction form
    89,047.07/122,885.16 = 48,211.64/x
  3. Step 3: Cross multiply
    89,047.07x = 122,885.16 × 48,211.64
  4. Step 4: Simplify right side
    89,047.07x = 5,924,495,095.26
  5. Step 5: Solve for x
    x = 5,924,495,095.26/89,047.07
  6. Step 6: Final answer
    x = 66,532.17

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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.