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Finding the Fourth Proportional to 64,345.93, 88,784.71 and 40,458.72

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Solution

The fourth proportional to 64,345.93, 88,784.71 and 40,458.72 is: 55,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,345.93 : 88,784.71 = 40,458.72 : x
  2. Step 2: Convert to fraction form
    64,345.93/88,784.71 = 40,458.72/x
  3. Step 3: Cross multiply
    64,345.93x = 88,784.71 × 40,458.72
  4. Step 4: Simplify right side
    64,345.93x = 3,592,115,953.97
  5. Step 5: Solve for x
    x = 3,592,115,953.97/64,345.93
  6. Step 6: Final answer
    x = 55,825.07

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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.