Home / 53,875.01-74,342.75-31,206.75

Finding the Fourth Proportional to 53,875.01, 74,342.75 and 31,206.75

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Solution

The fourth proportional to 53,875.01, 74,342.75 and 31,206.75 is: 43,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875.01 : 74,342.75 = 31,206.75 : x
  2. Step 2: Convert to fraction form
    53,875.01/74,342.75 = 31,206.75/x
  3. Step 3: Cross multiply
    53,875.01x = 74,342.75 × 31,206.75
  4. Step 4: Simplify right side
    53,875.01x = 2,319,995,457.53
  5. Step 5: Solve for x
    x = 2,319,995,457.53/53,875.01
  6. Step 6: Final answer
    x = 43,062.56

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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.