Home / 112,663.14-155,473.80-61,675.26

Finding the Fourth Proportional to 112,663.14, 155,473.80 and 61,675.26

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Solution

The fourth proportional to 112,663.14, 155,473.80 and 61,675.26 is: 85,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,663.14 : 155,473.80 = 61,675.26 : x
  2. Step 2: Convert to fraction form
    112,663.14/155,473.80 = 61,675.26/x
  3. Step 3: Cross multiply
    112,663.14x = 155,473.80 × 61,675.26
  4. Step 4: Simplify right side
    112,663.14x = 9,588,887,038.19
  5. Step 5: Solve for x
    x = 9,588,887,038.19/112,663.14
  6. Step 6: Final answer
    x = 85,111.13

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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.