Home / 98,532.34-135,974.62-53,210.32

Finding the Fourth Proportional to 98,532.34, 135,974.62 and 53,210.32

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Solution

The fourth proportional to 98,532.34, 135,974.62 and 53,210.32 is: 73,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,532.34 : 135,974.62 = 53,210.32 : x
  2. Step 2: Convert to fraction form
    98,532.34/135,974.62 = 53,210.32/x
  3. Step 3: Cross multiply
    98,532.34x = 135,974.62 × 53,210.32
  4. Step 4: Simplify right side
    98,532.34x = 7,235,252,768.65
  5. Step 5: Solve for x
    x = 7,235,252,768.65/98,532.34
  6. Step 6: Final answer
    x = 73,430.24

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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.