Home / 112,038.41-154,613.58-61,051.70

Finding the Fourth Proportional to 112,038.41, 154,613.58 and 61,051.70

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Solution

The fourth proportional to 112,038.41, 154,613.58 and 61,051.70 is: 84,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.41 : 154,613.58 = 61,051.70 : x
  2. Step 2: Convert to fraction form
    112,038.41/154,613.58 = 61,051.70/x
  3. Step 3: Cross multiply
    112,038.41x = 154,613.58 × 61,051.70
  4. Step 4: Simplify right side
    112,038.41x = 9,439,421,823.29
  5. Step 5: Solve for x
    x = 9,439,421,823.29/112,038.41
  6. Step 6: Final answer
    x = 84,251.66

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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.