Home / 98,476.04-147,683.07-31,900.72

Finding the Fourth Proportional to 98,476.04, 147,683.07 and 31,900.72

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Solution

The fourth proportional to 98,476.04, 147,683.07 and 31,900.72 is: 47,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,476.04 : 147,683.07 = 31,900.72 : x
  2. Step 2: Convert to fraction form
    98,476.04/147,683.07 = 31,900.72/x
  3. Step 3: Cross multiply
    98,476.04x = 147,683.07 × 31,900.72
  4. Step 4: Simplify right side
    98,476.04x = 4,711,196,172.51
  5. Step 5: Solve for x
    x = 4,711,196,172.51/98,476.04
  6. Step 6: Final answer
    x = 47,841.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.