Home / 93,030.24-139,545.42-76,547.64

Finding the Fourth Proportional to 93,030.24, 139,545.42 and 76,547.64

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Solution

The fourth proportional to 93,030.24, 139,545.42 and 76,547.64 is: 114,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030.24 : 139,545.42 = 76,547.64 : x
  2. Step 2: Convert to fraction form
    93,030.24/139,545.42 = 76,547.64/x
  3. Step 3: Cross multiply
    93,030.24x = 139,545.42 × 76,547.64
  4. Step 4: Simplify right side
    93,030.24x = 10,681,872,573.81
  5. Step 5: Solve for x
    x = 10,681,872,573.81/93,030.24
  6. Step 6: Final answer
    x = 114,821.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.