Home / 53,678.28-80,155.95-43,837.08

Finding the Fourth Proportional to 53,678.28, 80,155.95 and 43,837.08

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Solution

The fourth proportional to 53,678.28, 80,155.95 and 43,837.08 is: 65,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,678.28 : 80,155.95 = 43,837.08 : x
  2. Step 2: Convert to fraction form
    53,678.28/80,155.95 = 43,837.08/x
  3. Step 3: Cross multiply
    53,678.28x = 80,155.95 × 43,837.08
  4. Step 4: Simplify right side
    53,678.28x = 3,513,802,792.63
  5. Step 5: Solve for x
    x = 3,513,802,792.63/53,678.28
  6. Step 6: Final answer
    x = 65,460.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.