Home / 104,746.50-144,547.80-56,999.96

Finding the Fourth Proportional to 104,746.50, 144,547.80 and 56,999.96

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Solution

The fourth proportional to 104,746.50, 144,547.80 and 56,999.96 is: 78,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,746.50 : 144,547.80 = 56,999.96 : x
  2. Step 2: Convert to fraction form
    104,746.50/144,547.80 = 56,999.96/x
  3. Step 3: Cross multiply
    104,746.50x = 144,547.80 × 56,999.96
  4. Step 4: Simplify right side
    104,746.50x = 8,239,218,818.09
  5. Step 5: Solve for x
    x = 8,239,218,818.09/104,746.50
  6. Step 6: Final answer
    x = 78,658.66

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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.