Home / 93,943.36-140,915.28-31,657.60

Finding the Fourth Proportional to 93,943.36, 140,915.28 and 31,657.60

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Solution

The fourth proportional to 93,943.36, 140,915.28 and 31,657.60 is: 47,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,943.36 : 140,915.28 = 31,657.60 : x
  2. Step 2: Convert to fraction form
    93,943.36/140,915.28 = 31,657.60/x
  3. Step 3: Cross multiply
    93,943.36x = 140,915.28 × 31,657.60
  4. Step 4: Simplify right side
    93,943.36x = 4,461,039,568.13
  5. Step 5: Solve for x
    x = 4,461,039,568.13/93,943.36
  6. Step 6: Final answer
    x = 47,486.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.