Home / 70,285.47-97,009.51-48,512.31

Finding the Fourth Proportional to 70,285.47, 97,009.51 and 48,512.31

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Solution

The fourth proportional to 70,285.47, 97,009.51 and 48,512.31 is: 66,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285.47 : 97,009.51 = 48,512.31 : x
  2. Step 2: Convert to fraction form
    70,285.47/97,009.51 = 48,512.31/x
  3. Step 3: Cross multiply
    70,285.47x = 97,009.51 × 48,512.31
  4. Step 4: Simplify right side
    70,285.47x = 4,706,155,422.07
  5. Step 5: Solve for x
    x = 4,706,155,422.07/70,285.47
  6. Step 6: Final answer
    x = 66,957.73

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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.