Home / 89,125.07-122,946.57-60,435.02

Finding the Fourth Proportional to 89,125.07, 122,946.57 and 60,435.02

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Solution

The fourth proportional to 89,125.07, 122,946.57 and 60,435.02 is: 83,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.07 : 122,946.57 = 60,435.02 : x
  2. Step 2: Convert to fraction form
    89,125.07/122,946.57 = 60,435.02/x
  3. Step 3: Cross multiply
    89,125.07x = 122,946.57 × 60,435.02
  4. Step 4: Simplify right side
    89,125.07x = 7,430,277,802.15
  5. Step 5: Solve for x
    x = 7,430,277,802.15/89,125.07
  6. Step 6: Final answer
    x = 83,369.12

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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.