Home / 86,323.79-119,185.56-54,071.74

Finding the Fourth Proportional to 86,323.79, 119,185.56 and 54,071.74

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Solution

The fourth proportional to 86,323.79, 119,185.56 and 54,071.74 is: 74,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323.79 : 119,185.56 = 54,071.74 : x
  2. Step 2: Convert to fraction form
    86,323.79/119,185.56 = 54,071.74/x
  3. Step 3: Cross multiply
    86,323.79x = 119,185.56 × 54,071.74
  4. Step 4: Simplify right side
    86,323.79x = 6,444,570,547.47
  5. Step 5: Solve for x
    x = 6,444,570,547.47/86,323.79
  6. Step 6: Final answer
    x = 74,655.78

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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.