Home / 72,030.06-99,282.51-48,148.02

Finding the Fourth Proportional to 72,030.06, 99,282.51 and 48,148.02

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Solution

The fourth proportional to 72,030.06, 99,282.51 and 48,148.02 is: 66,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,030.06 : 99,282.51 = 48,148.02 : x
  2. Step 2: Convert to fraction form
    72,030.06/99,282.51 = 48,148.02/x
  3. Step 3: Cross multiply
    72,030.06x = 99,282.51 × 48,148.02
  4. Step 4: Simplify right side
    72,030.06x = 4,780,256,277.13
  5. Step 5: Solve for x
    x = 4,780,256,277.13/72,030.06
  6. Step 6: Final answer
    x = 66,364.74

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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.