Home / 93,245.04-128,591.28-61,358.58

Finding the Fourth Proportional to 93,245.04, 128,591.28 and 61,358.58

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Solution

The fourth proportional to 93,245.04, 128,591.28 and 61,358.58 is: 84,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,245.04 : 128,591.28 = 61,358.58 : x
  2. Step 2: Convert to fraction form
    93,245.04/128,591.28 = 61,358.58/x
  3. Step 3: Cross multiply
    93,245.04x = 128,591.28 × 61,358.58
  4. Step 4: Simplify right side
    93,245.04x = 7,890,178,341.18
  5. Step 5: Solve for x
    x = 7,890,178,341.18/93,245.04
  6. Step 6: Final answer
    x = 84,617.67

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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.