Home / 93,985.03-129,706.28-51,547.51

Finding the Fourth Proportional to 93,985.03, 129,706.28 and 51,547.51

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Solution

The fourth proportional to 93,985.03, 129,706.28 and 51,547.51 is: 71,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,985.03 : 129,706.28 = 51,547.51 : x
  2. Step 2: Convert to fraction form
    93,985.03/129,706.28 = 51,547.51/x
  3. Step 3: Cross multiply
    93,985.03x = 129,706.28 × 51,547.51
  4. Step 4: Simplify right side
    93,985.03x = 6,686,035,765.36
  5. Step 5: Solve for x
    x = 6,686,035,765.36/93,985.03
  6. Step 6: Final answer
    x = 71,139.37

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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.