Home / 98,776.84-136,312.04-53,454.82

Finding the Fourth Proportional to 98,776.84, 136,312.04 and 53,454.82

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Solution

The fourth proportional to 98,776.84, 136,312.04 and 53,454.82 is: 73,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,776.84 : 136,312.04 = 53,454.82 : x
  2. Step 2: Convert to fraction form
    98,776.84/136,312.04 = 53,454.82/x
  3. Step 3: Cross multiply
    98,776.84x = 136,312.04 × 53,454.82
  4. Step 4: Simplify right side
    98,776.84x = 7,286,534,953.98
  5. Step 5: Solve for x
    x = 7,286,534,953.98/98,776.84
  6. Step 6: Final answer
    x = 73,767.65

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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.