Home / 97,746.10-134,890.05-55,312.90

Finding the Fourth Proportional to 97,746.10, 134,890.05 and 55,312.90

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Solution

The fourth proportional to 97,746.10, 134,890.05 and 55,312.90 is: 76,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,746.10 : 134,890.05 = 55,312.90 : x
  2. Step 2: Convert to fraction form
    97,746.10/134,890.05 = 55,312.90/x
  3. Step 3: Cross multiply
    97,746.10x = 134,890.05 × 55,312.90
  4. Step 4: Simplify right side
    97,746.10x = 7,461,159,846.65
  5. Step 5: Solve for x
    x = 7,461,159,846.65/97,746.10
  6. Step 6: Final answer
    x = 76,332.05

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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.