Home / 67,628.63-93,319.40-38,957.67

Finding the Fourth Proportional to 67,628.63, 93,319.40 and 38,957.67

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Solution

The fourth proportional to 67,628.63, 93,319.40 and 38,957.67 is: 53,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,628.63 : 93,319.40 = 38,957.67 : x
  2. Step 2: Convert to fraction form
    67,628.63/93,319.40 = 38,957.67/x
  3. Step 3: Cross multiply
    67,628.63x = 93,319.40 × 38,957.67
  4. Step 4: Simplify right side
    67,628.63x = 3,635,506,487.19
  5. Step 5: Solve for x
    x = 3,635,506,487.19/67,628.63
  6. Step 6: Final answer
    x = 53,756.91

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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.