Home / 93,582.18-129,143.75-51,140.72

Finding the Fourth Proportional to 93,582.18, 129,143.75 and 51,140.72

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Solution

The fourth proportional to 93,582.18, 129,143.75 and 51,140.72 is: 70,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,582.18 : 129,143.75 = 51,140.72 : x
  2. Step 2: Convert to fraction form
    93,582.18/129,143.75 = 51,140.72/x
  3. Step 3: Cross multiply
    93,582.18x = 129,143.75 × 51,140.72
  4. Step 4: Simplify right side
    93,582.18x = 6,604,503,457.08
  5. Step 5: Solve for x
    x = 6,604,503,457.08/93,582.18
  6. Step 6: Final answer
    x = 70,574.37

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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.