Home / 112,653.93-155,460.99-61,666.47

Finding the Fourth Proportional to 112,653.93, 155,460.99 and 61,666.47

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Solution

The fourth proportional to 112,653.93, 155,460.99 and 61,666.47 is: 85,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,653.93 : 155,460.99 = 61,666.47 : x
  2. Step 2: Convert to fraction form
    112,653.93/155,460.99 = 61,666.47/x
  3. Step 3: Cross multiply
    112,653.93x = 155,460.99 × 61,666.47
  4. Step 4: Simplify right side
    112,653.93x = 9,586,730,476.01
  5. Step 5: Solve for x
    x = 9,586,730,476.01/112,653.93
  6. Step 6: Final answer
    x = 85,098.94

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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.