Home / 112,062.86-154,646.80-61,075.62

Finding the Fourth Proportional to 112,062.86, 154,646.80 and 61,075.62

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Solution

The fourth proportional to 112,062.86, 154,646.80 and 61,075.62 is: 84,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,062.86 : 154,646.80 = 61,075.62 : x
  2. Step 2: Convert to fraction form
    112,062.86/154,646.80 = 61,075.62/x
  3. Step 3: Cross multiply
    112,062.86x = 154,646.80 × 61,075.62
  4. Step 4: Simplify right side
    112,062.86x = 9,445,149,191.02
  5. Step 5: Solve for x
    x = 9,445,149,191.02/112,062.86
  6. Step 6: Final answer
    x = 84,284.38

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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.