Home / 70,090.95-96,727.10-39,875.07

Finding the Fourth Proportional to 70,090.95, 96,727.10 and 39,875.07

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Solution

The fourth proportional to 70,090.95, 96,727.10 and 39,875.07 is: 55,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,090.95 : 96,727.10 = 39,875.07 : x
  2. Step 2: Convert to fraction form
    70,090.95/96,727.10 = 39,875.07/x
  3. Step 3: Cross multiply
    70,090.95x = 96,727.10 × 39,875.07
  4. Step 4: Simplify right side
    70,090.95x = 3,856,999,684.02
  5. Step 5: Solve for x
    x = 3,856,999,684.02/70,090.95
  6. Step 6: Final answer
    x = 55,028.50

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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.