Home / 93,298.14-128,750.45-50,855.76

Finding the Fourth Proportional to 93,298.14, 128,750.45 and 50,855.76

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Solution

The fourth proportional to 93,298.14, 128,750.45 and 50,855.76 is: 70,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,298.14 : 128,750.45 = 50,855.76 : x
  2. Step 2: Convert to fraction form
    93,298.14/128,750.45 = 50,855.76/x
  3. Step 3: Cross multiply
    93,298.14x = 128,750.45 × 50,855.76
  4. Step 4: Simplify right side
    93,298.14x = 6,547,701,730.81
  5. Step 5: Solve for x
    x = 6,547,701,730.81/93,298.14
  6. Step 6: Final answer
    x = 70,180.41

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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.