Home / 71,688.08-98,898.60-44,783.76

Finding the Fourth Proportional to 71,688.08, 98,898.60 and 44,783.76

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Solution

The fourth proportional to 71,688.08, 98,898.60 and 44,783.76 is: 61,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,688.08 : 98,898.60 = 44,783.76 : x
  2. Step 2: Convert to fraction form
    71,688.08/98,898.60 = 44,783.76/x
  3. Step 3: Cross multiply
    71,688.08x = 98,898.60 × 44,783.76
  4. Step 4: Simplify right side
    71,688.08x = 4,429,051,166.74
  5. Step 5: Solve for x
    x = 4,429,051,166.74/71,688.08
  6. Step 6: Final answer
    x = 61,782.25

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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.