Home / 112,075.60-154,663.56-61,774.48

Finding the Fourth Proportional to 112,075.60, 154,663.56 and 61,774.48

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Solution

The fourth proportional to 112,075.60, 154,663.56 and 61,774.48 is: 85,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075.60 : 154,663.56 = 61,774.48 : x
  2. Step 2: Convert to fraction form
    112,075.60/154,663.56 = 61,774.48/x
  3. Step 3: Cross multiply
    112,075.60x = 154,663.56 × 61,774.48
  4. Step 4: Simplify right side
    112,075.60x = 9,554,260,993.95
  5. Step 5: Solve for x
    x = 9,554,260,993.95/112,075.60
  6. Step 6: Final answer
    x = 85,248.36

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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.