Home / 42,813.03-64,136.46-31,547.93

Finding the Fourth Proportional to 42,813.03, 64,136.46 and 31,547.93

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Solution

The fourth proportional to 42,813.03, 64,136.46 and 31,547.93 is: 47,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,813.03 : 64,136.46 = 31,547.93 : x
  2. Step 2: Convert to fraction form
    42,813.03/64,136.46 = 31,547.93/x
  3. Step 3: Cross multiply
    42,813.03x = 64,136.46 × 31,547.93
  4. Step 4: Simplify right side
    42,813.03x = 2,023,372,531.46
  5. Step 5: Solve for x
    x = 2,023,372,531.46/42,813.03
  6. Step 6: Final answer
    x = 47,260.67

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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.